package jm.coll.map;

import java.util.TreeMap;

/**
 * @Description
 * @date 2022/4/4 17:14
 */
public class TreeMapSource {
    public static void main(String[] args) {
        TreeMap<String ,String > map = new TreeMap<>();
        map.put("a","b");
        map.put("c","b");
    }
}
